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Window-Mounted Air Conditioners Save Energy
Compared to homes with central air conditioning, homes with window units have lower cooling costs
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Choosing an Energy-Efficient Refrigerator
Select a small refrigerator with the freezer at the top — one without a through-the-door ice dispenser
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When Do I Need to Perform a Load Calculation?
Part 4 in a series of articles on sizing heating and cooling equipment
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Calculating Cooling Loads
Part 3 in a series of articles on sizing heating and air conditioning equipment
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Report from the NAHB Green Conference
Checking out the concrete quality at local landmarks and learning about green building in Nashville, Tennessee
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How to Perform a Heat-Loss Calculation — Part 2
Simple ways to calculate transmission losses and exfiltration losses
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How to Perform a Heat-Loss Calculation, Part 1
Let’s begin by discussing outdoor design temperatures and the many ways that heat can escape from a house
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Heat-Pump Water Heaters Come of Age
Now that pilot studies show that installed heat-pump water heaters are performing fairly well, it might be time to buy one
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Are Tankless Water Heaters a Waste of Money?
The energy savings you’ll get from a tankless water heater are usually too low to justify the high purchase price
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Energy Modeling Isn’t Very Accurate
Before spending time or money on energy modeling, it’s important to know its limitations